// components/ui/FontCard.jsx
import React, { useState } from "react";
import { Card } from "@/components/ui/card";
import { Button } from "@/components/ui/button";
import { Badge } from "@/components/ui/badge";
import { Copy, Check, Heart, Share2, Info } from "lucide-react";
import { transformText, fontTransforms } from "../fontTransforms";
import { getFontData } from "@/lib/fonts";
import fontMap from "@/lib/tailwind-font-map";

export default function FontCard({
  fontName,
  transformedText,
  category,
  isPopular,
  index = 0,
}) {
  const [copied, setCopied] = useState(false);
  const [liked, setLiked] = useState(false);

  const fontInfo = fontTransforms[fontName];
  const fontData = getFontData(fontName);
  const fontKey = fontName.toLowerCase().replace(/\s+/g, "");
  const fontVarName = fontMap[fontKey];
  const fontVar = fontVarName ? { fontFamily: `var(${fontVarName})` } : {};
  const fontClass = fontData?.className || "";

  const rawText = "Hallo Instagram!";
  const transformed = transformText(rawText, fontName);
  const finalText = transformed?.transformed || rawText;
  const copyText = transformed?.transformed || rawText;

  const handleCopy = () => {
    if (navigator.clipboard && window.isSecureContext) {
      navigator.clipboard
        .writeText(copyText)
        .then(() => flashCopied())
        .catch(() => fallbackCopy());
    } else {
      fallbackCopy();
    }
  };

  const flashCopied = () => {
    setCopied(true);
    setTimeout(() => setCopied(false), 2000);
  };

  const fallbackCopy = () => {
    const textarea = document.createElement("textarea");
    textarea.value = copyText;
    textarea.setAttribute("readonly", "");
    textarea.style.position = "fixed";
    textarea.style.top = "0";
    textarea.style.left = "0";
    textarea.style.width = "1px";
    textarea.style.height = "1px";
    textarea.style.padding = "0";
    textarea.style.border = "none";
    textarea.style.outline = "none";
    textarea.style.boxShadow = "none";
    textarea.style.background = "transparent";

    document.body.appendChild(textarea);
    textarea.focus();
    textarea.select();
    try {
      document.execCommand("copy");
      flashCopied();
    } catch (err) {
      console.error("Fallback Copy fehlgeschlagen:", err);
    }
    document.body.removeChild(textarea);
  };

  const handleShare = async () => {
    if (!navigator.share) return;
    try {
      await navigator.share({
        title: `FancyText – ${fontName}`,
        text: copyText,
        url: window.location.href,
      });
    } catch (err) {
      console.error("Share fehlgeschlagen:", err);
    }
  };

  return (
    <div style={{ pointerEvents: "none" }}>
      <Card className="bg-white/90 backdrop-blur-sm border-0 shadow-xl hover:shadow-2xl transition-all duration-300 overflow-hidden">
        <div className="p-6">
          <div className="flex items-center justify-between mb-4">
            <div className="flex items-center gap-2">
              <h3 className="font-semibold text-gray-800 capitalize">{fontName}</h3>
              {isPopular && (
                <Badge className="bg-gradient-to-r from-pink-500 to-purple-500 text-white text-[10px] uppercase tracking-wide">
                  Beliebt
                </Badge>
              )}
              {category && (
                <Badge className="bg-gray-200 text-gray-600 text-[10px] uppercase tracking-wide">
                  {category}
                </Badge>
              )}
            </div>
            <div className="flex gap-2">
              <Button
                variant="ghost"
                size="sm"
                onClick={() => setLiked(!liked)}
                className={liked ? "text-pink-500" : "text-gray-400"}
              >
                <Heart className={`w-4 h-4 ${liked ? "fill-current" : ""}`} />
              </Button>
              <Button
                variant="ghost"
                size="sm"
                onClick={handleShare}
                className="text-gray-400 hover:text-blue-500"
              >
                <Share2 className="w-4 h-4" />
              </Button>
            </div>
          </div>

          {fontInfo?.description && (
            <p className="text-xs text-gray-500 mb-3 flex items-center gap-1">
              <Info className="w-3 h-3" />
              {fontInfo.description}
            </p>
          )}

          <input
            type="text"
            value={finalText}
            readOnly
            className={`${fontClass} text-2xl md:text-3xl mb-6 p-4 bg-gray-50 rounded-xl text-center text-gray-800 min-h-[80px] w-full select-all border-0 focus:ring-0`}
            style={{ ...fontVar, lineHeight: "1.2" }}
          />

          <Button
            onClick={handleCopy}
            className="w-full bg-gradient-to-r from-pink-500 to-purple-500 hover:from-pink-600 hover:to-purple-600 text-white font-medium py-3 rounded-xl shadow-lg pointer-events-auto"
            disabled={copied}
          >
            {copied ? (
              <>
                <Check className="w-4 h-4 mr-2" />
                Copy!
              </>
            ) : (
              <>
                <Copy className="w-4 h-4 mr-2" />
                Copy now
              </>
            )}
          </Button>
        </div>
      </Card>
    </div>
  );
}